[英]SQL Server Pivot Query add a total
您好,下面是一個SQL Server Pivot查詢,其輸出如下:
Semester| StudentDesc | [A]| [B] |[C] |[D]
-----------------------------------------
| 2 | Term1 | 20 | NULL| 5 | 10
------------------------------------------
| 3 | Term2 | 10 | 2 | 2 | 1
-----------------------------------------
我的輸出將包括A,B,C,D的總計(TotalSessions),例如:
Semester| StudentDesc | [A]| [B] |[C] |[D] | TotalSessions
---------------------------------------------------------
| 2 | Term1 | 20 | NULL| 5 | 10 | 35
--------------------------------------------------------
| 3 | Term2 | 10 | 2 | 2 | 1 | 15
-------------------------------------------------------
我假設這將是查詢中名為Count(Stats.SessionNumber)AS TotalSessions的列
我的查詢是:
SELECT Semester, StudentDesc, [A],[B],[C],[D]
FROM
(
SELECT
Semesters.Semester, Options.StudentDesc,
/*TotalSessions */ Count(Stats.SessionNumber) AS
TotalSessions, TrainerList.ShortName
FROM Semesters, (StudentList_tbl
INNER JOIN
((RegistrarSemestersAndTerms
INNER JOIN
Stats ON (StudentSemestersAndTerms.Semester = Stats.Semester)
AND (StudentSemestersAndTerms.StudentID = Stats.StudentID))
INNER JOIN
Options ON StudentSemestersAndTerms.Q3 = Options.TermID)
ON StudentList_tbl.StudentID = StudentSemestersAndTerms.StudentID)
INNER JOIN
TrainerList ON StudentList_tbl.RTP = TrainerList.TrainerID
GROUP BY Semesters.Semester, Options.StudentDesc, TrainerList.ShortName
) as base_query
PIVOT
(
Sum(TotalSessions) FOR ShortName IN ([A],[B],[C],[D])
) as pivot_query;
謝謝
簡單地寫為:
SELECT Semester, StudentDesc, [A],[B],[C],[D],
isnull([A],0)+isnull([B],0)+isnull([C],0)+isnull([D],0) as TotalSessions
FROM
--... rest of the query
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